Furuno 1823C, GD-1900C, 1933C, 1943C, 1953C User Manual

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MARINE RADAR MODEL1823C MARINE RADAR MODEL1833C MARINE RADAR MODEL1933C MARINE RADAR MODEL1943C MARINE RADAR MODEL1953C

COLOR VIDEO PLOTTER GD-1900C

PRINTED IN JAPAN

9-52 Ashihara-cho,

Nishinomiya 662-8580, JAPAN

Telephone : 0798-65-2111

Fax

: 0798-65-4200

All rights reserved.

Printed in Japan

Pub. No. IME-35030-P

( AKMU ) M1803C SER & GD1900C

The paper used in this manual is elemental chlorine free.

Your Local Agent/Dealer

FIRST EDITION : APR. 2001

P : MAY. 20, 2005

*00080919906*

*00080919906*

* 0 0 0 8 0 9 1 9 9 0 6 *

*IME35030P00*

*IME35030P00*

* I M E 3 5 0 3 0 P 0 0 *

SAFETY INSTRUCTIONS

WARNING

 

Do not open the equipment

 

unless totally familiar with

 

electrical circuits and

 

service manual.

ELECTRICAL

Only qualified personnel

should work inside the

SHOCK

HAZARD

equipment.

 

 

 

Wear a safety belt and hard

 

hat when working on the

 

antenna unit.

Serious injury or death can result if someone falls from the radar mast.

Construct a suitable service platform from which to install the antenna unit.

Serious injury or death can result if someone falls from the radar mast.

Turn off the power at the mains switchboard before beginning the installation.

Fire, electrical shock or serious injury can result if the power is left on or is applied while the equipment is being installed.

CAUTION

Ground the equipment to prevent electrical shock and mutual interference.

Observe the following compass safe distances to prevent deviation of a magnetic compass.

 

Standard

Steering

 

 

 

Display unit

0.60 m

0.40 m

MODEL1823C antenna unit

1.25 m

0.85 m

MODEL1833C antenna unit

0.90 m

0.70 m

MODEL1933C antenna unit

1.00 m

0.80 m

MODEL1943C antenna unit

1.00 m

0.80 m

MODEL1953C antenna unit

1.00 m

0.75 m

Power supply unit (1953C)

1.40 m

0.95 m

Memory card IF unit

0.90 m

0.60 m

(option)

 

 

 

 

 

WARNING

Radio Frequency

Radiation Hazard

The radar antenna emits electromagnetic radio frequency (RF) energy which can be harmful, particularly to your eyes. Never look directly into the antenna aperture from a close distance while the radar is in operation or expose yourself to the transmitting antenna at a close distance.

Distances at which RF radiation levels of 100 and 10 W/m2 exist are given in the table below.

Note: If the antenna unit is installed at a close distance in front of the wheel house, your administration may require halt of transmission within a certain sector of antenna revolution. This is possible - Ask your FURUNO representative or dealer to provide this feature.

MODEL

Distance to

Distance to

100 W/m2

10 W/m2

 

 

point

point

 

 

 

 

MODEL

Nil

Worst case

1823C

0.50 m

 

 

 

 

MODEL

Nil

Worst case

1833C

0.50 m

 

 

 

 

 

MODEL

Nil

Worst case

1933C

3.00 m

 

 

 

 

 

MODEL

Nil

Worst case

1943C

2.50 m

 

 

 

 

 

 

XN12A

 

Worst case

MODEL

 

2.50 m

 

Nil

1953C

XN13A

Worst case

 

 

 

 

 

2.30 m

 

 

 

 

 

 

 

i

TABLE OF CONTENTS

 

 

 

........................................................................................SAFETY INSTRUCTIONS

i

EQUIPMENT LISTS .................................................................................................

iii

SYSTEM CONFIGURATIONS..................................................................................

v

1. MOUNTING ..........................................................................................................

1-1

1.1

Installation of Display Unit ..........................................................................................................

1-1

1.2

Mounting of Antenna Unit for MODEL1833C...............................................................................

1-4

1.3

Mounting of Antenna Unit for MODEL1933C/1943C/1953C ........................................................

1-11

1.4

Mounting of Power Supply Unit for MODEL1953C......................................................................

1-20

1.5

Mounting of Antenna Unit for MODEL1823C...............................................................................

1-21

2. WIRING ................................................................................................................

2-1

2.1

Standard Wiring .........................................................................................................................

2-1

2.2

External Buzzer (OP03-136, option) Connection.........................................................................

2-4

2.3

How to Connect with PC ...........................................................................................................

2-5

2.4 Wiring of Power Supply Unit (MODEL1953C only)......................................................................

2-6

2.5

Connection of CU-200 (option) ...................................................................................................

2-8

3. ADJUSTMENT .....................................................................................................

3-1

3.1

How to Access to Installation Menu ............................................................................................

3-1

3.2 NETWORK SETUP Menu ..........................................................................................................

3-2

3.3 RADAR SETUP Menu................................................................................................................

3-4

3.4

Checking Magnetron Heater Voltage ..........................................................................................

3-11

3.5

Navigation Data Source .............................................................................................................

3-11

3.6

Setting up Data Ports .................................................................................................................

3-16

3.7

Remote Controller Setting ..........................................................................................................

3-18

3.8

Remote Display Setting..............................................................................................................

3-19

4. OPTIONS..............................................................................................................

4-1

4.1 ARP Kit ARP-11..........................................................................................................................

4-1

4.2

Connection of Video equipment/External Monitor/Remote Display ..............................................

4-4

4.3

Mounting the Memory Card Interface Unit ..................................................................................

4-10

PACKING LISTS ......................................................................................................

A-1

OUTLINE DRAWINGS .............................................................................................

D-1

INTERCONNECTION DIAGRAMS...........................................................................

S-1

ii

EQUIPMENT LISTS

Standard supply

Name

Type

Code No.

Qty

Remarks

Display unit

RDP-138*

-

1

Normal bright LCD, 300 Cd

RDP-139

-

High bright LCD, 700 Cd

 

 

 

RSB-0094-0075

-

 

MODEL 1823C

 

RSB-0071-057

-

 

MODEL 1833C

 

XN10A-RSB-0070-064

-

 

MODEL1933C,

 

 

24 rpm, for RDP-138/139

 

 

 

 

 

XN10A-RSB-0073-064

-

 

MODEL1933C,

Antenna unit

1

48 rpm, for RDP-138

 

 

 

XN12A-RSB-0070-059

-

 

MODEL1943C, 24 rpm

 

XN12A-RSB-0073-059

-

 

MODEL1943C, 48 rpm

 

XN12A-RSB-0072-060

-

 

MODEL1953C, 4”, 24 rpm

 

XN12A-RSB-0073-060

-

 

MODEL1953C, 4”, 48 rpm

 

XN13A-RSB-0072-060

-

 

MODEL1953C, 6”, 24 rpm

Power supply unit

PSU-005

-

1

For MODEL1953C

Remote controller

RMC-100

000-089-885

1

Remote controller, vinyl case,

set

battery, labels

 

 

 

 

 

 

 

For display unit,

 

CP03-22700

000-080-049

1set

MJ-A3SPF0018-050Z cable,

 

 

 

 

CP03-22701

 

CP03-25401

008-443-160

1set

For MODEL1823C

 

antenna unit

 

 

 

 

 

CP03-16901

008-478-750

1set

For MODEL1833C

 

antenna unit

 

 

 

 

 

CP03-21800

000-080-014

 

For MODEL1823C/1833C

 

 

10 m signal cable

 

 

 

 

 

CP03-21810

000-080-015

 

For MODEL1823C/1833C

 

1

15 m signal cable

 

 

 

 

CP03-21820

000-080-016

For MODEL1823C/1833C

 

 

 

 

20 m signal cable

Installation

 

 

 

CP03-21830

000-080-017

 

For MODEL1823C/1833C

materials

 

30 m signal cable

 

 

 

 

CP03-22000

000-080-021

 

For 1933C/1943C/1953C

 

 

10 m signal cable

 

 

 

 

 

CP03-22010

000-080-022

 

For 1933C/1943C/1953C

 

1

15 m signal cable

 

 

 

 

CP03-22020

000-080-023

For 1933C/1943C/1953C

 

 

 

 

20 m signal cable

 

 

 

 

 

CP03-22030

000-080-024

 

For 1933C/1943C/1953C

 

 

30 m signal cable

 

 

 

 

 

CP03-18401

008-503-360

1

For 1933C/1943C/1953C

 

antenna unit

 

 

 

 

 

CP03-22901

008-523-690

1

For 1933C/1943C/1953C

 

antenna radiator XN10A/XN12A

 

 

 

 

 

CP03-24500

000-080-191

1

For 1953C, power supply unit

Accessories

FP03-09301

008-522-970

1set

Card remover

Spare parts

SP03-14001

000-080-018

1set

Fuses, for display unit

SP03-14001

000-080-018

1set

Fuses, for power supply unit

 

(1953C only)

 

 

 

 

 

 

 

 

*Not available for MODEL 1953C

iii

Optional supply

Name

Type

Code No.

Qty

Remarks

 

 

000-013-484

 

For GD-1900C, 100 VAC

Rectifier

PR-62

000-013-485

1

For GD-1900C, 110 VAC

000-013-486

For GD-1900C, 220 VAC

 

 

 

 

000-013-487

 

For GD-1900C, 230 VAC

 

RU-3423

000-030-443

1

For MODEL series

External buzzer

OP03-136

000-086-443

1

 

 

MJ-A6SPF0014-010

000-144-421

1

For NavNet, 1 m

 

MJ-A6SPF0014-050

000-144-422

1

For NavNet, 5 m

 

MJ-A6SPF0014-100

000-144-423

1

For NavNet, 10 m

 

MJ-A6SPF0014-200

000-144-424

1

For NavNet, 20 m

 

MJ-A6SPF0014-300

000-144-425

1

For NavNet, 30 m

 

MJ-A6SPF0012-050

000-134-424

1

For navaid, 5 m

 

MJ-A6SPF0012-100

000-133-817

1

For navaid, 10 m

Cable assy.

MJ-A6SPF0003-050

000-117-603

1

w/6P connector, 5 m

MJ-A6SPF0009-100

000-125-236

1

w/6P connector, 10 m

 

 

MJ-A6SPF0007-100

000-125-237

1

For compass, 10 m

 

MJ-A7SPF0007-050

000-144-418

1

For external buzzer, PC,

 

w/7P connector, 5 m

 

 

 

 

 

MJ-A6SRMD/TM11AP8-005

000-144-463

1

Adapter cable for HUB

 

MJ-B24LPF0008-100

000-145-125

1

For remote display, 10 m

 

MJ-B24LPF0008-200

000-145-126

1

For remote display, 20 m

 

MJ-B24LPF0008-300

000-145-127

1

For remote display, 30 m

RGB output

OP03-176

008-526-360

1

For external monitor

cable kit

 

 

 

 

ARP kit

ARP-11

008-523-050

1

ARP Board, for radar only

NTSC/PAL

OP03-175

008-523-070

1

Connection video source

interface kit

 

 

 

 

Mounting

OP03-92

008-445-070

1

For MODEL1833C

bracket (1)

 

 

 

 

Mounting

OP03-93

008-445-080

1

For MODEL1823C

bracket (2)

 

 

 

 

Chart card

-

-

-

Specified when ordering.

RAM card

00RAM02MC-004

004-371-790

1

2 MB

Remote

RMC-100

000-089-885

1

 

controller set

 

 

 

 

 

Modification kit

MODEL17*2/C-MAP

008-525-200

1

See modification instruction

for C-map

E42-00005-x

 

 

 

EMI core

E04R241336A

000-146-335

1

For remote display cable connection

Memory card

CU-200-NAV

000-081-567

1

w/two chart card slots

interface unit

 

 

 

 

iv

SYSTEM CONFIGURATIONS

All NavNet products incorporate a “network circuit board” to integrate each NavNet product on board through an optional LAN cable (Ethernet 10BASE-T). Each NavNet product is assigned an IP address to enable transfer of images between other NavNet products. For example, video plotter pictures can be transferred to a radar and vice versa. Pictures received via the NavNet may be adjusted at the receiving end.

The number of display units which may be installed depends on the number of network sounder connected. For a system incorporating three or more products, a “hub” is required to process data.

For one network sounder: one radar and three plotters, or four plotters For two network sounder: one radar and two plotters, or four plotters

 

 

Antenna Unit

MODEL1823C

 

 

 

MODEL

MODEL

MODEL

 

1953C

1933C

1943C

MODEL

 

 

 

1833C

GPS receiver GP-310B/320B

Power Supply

Unit PSU-005

Display unit RDP-138*/139

Memory card interface unit CU-200

12 VDC

Rectifier

RU-3423

Facsimile

Receiver

FAX-30

100/110/115/220/230 VAC 12 - 24 VDC**

1φ , 50/60 Hz**

*: Not available for MODEL 1953C.

**: The power for the power supply unit and display unit must be drawn from the same power source.

Network

Sounder

ETR-6/10N

ETR-30N

Echo sounder

Navigator

External buzzer PC

Echo sounder

VGA monitor Remote display Video equipment

Heading

sensor

Other NavNet unit (GD-1900C etc.)

Figure 1 (a) NavNet system (MODEL1823C/1833C/1933C/1943C/1953C)

v

GPS receiver GP-310B/320B

Remote

Controller

RMC-100

Display unit

RDP-138/139

Other NavNet Unit (Model 1833C, etc.)

Facsimile

Network Sounder 12 - 24 VDC

Receiver

ETR-6/10N

FAX-30

ETR-30N

:Standard

:Option

External buzzer

PC

Echo sounder

VGA monitor

Remote display

Video equipment

Memory card interface unit CU-200

12 VDC

Echosounder

Navigator

Rectifier

PR-62

Ship's mains 100/110/115/220/230 VAC 1φ , 50/60 Hz

Figure 1 (b) NavNet system (GD-1900C)

vi

Furuno 1823C, GD-1900C, 1933C, 1943C, 1953C User Manual

Figure 2 (a) NavNet system, three-unit connection

Radar Antenna Unit

Radar Antenna Unit

OR

OR

GPS Receiver GP-310B/320B

GPS Receiver GP-310B/320B

RADAR

RADAR

or

or

PLOTTER

PLOTTER

Radar data

Plotter data

HUB

Sounder data

Facsimile

data

Sounder data

Note: The picture disappears 10 seconds after the NavNet cable is disconnected from a "sub" NavNet display unit.

Network Sounder

 

Facsimile

 

 

 

 

Network Sounder

ETR-6/10N

 

Receiver

 

ETR-6/10N

ETR-30N

 

FAX-30

 

ETR-30N

(option)

 

(option)

 

(option)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 2 (b) NavNet system, two-unit connection

vii

This page is intentionally left blank.

viii

1.MOUNTING

1.1Installation of Display Unit

The display unit can be installed on a tabletop, on the overhead or flush mounted in a console or panel.

Tabletop, overhead mounting method

When selecting a mounting location for the display unit keep the following in mind:

Keep the display unit out of direct sunlight.

The temperature and humidity should be moderate and stable.

Locate the unit away from exhaust pipes and vents.

The mounting location should be well ventilated.

Mount the unit where shock and vibration are minimal.

Keep the unit away electromagnetic field generating equipment such as motor, generator.

For maintenance and checking purposes, leave sufficient space at the sides and rear of the unit and leave slack in cables.

A magnetic compass will be affected if the display unit is placed too close the magnetic compass. Observe the following compass safe distances to prevent disturbance to the magnetic compass.

Standard compass: 0.60 m

Steering compass: 0.40 m

1-1

1.1.1Mounting procedure

Tabletop, overhead mounting

Follow the procedure below to mount the display unit on a tabletop or the overhead.

1.Fix the hanger by four tapping screw (5x20).

2.Screw knob bolts in display unit, set it to hanger, and tighten knob bolts.

3.Attach hard cover to protect LCD.

Display unit

Tapping screws (4 pcs.)

Knob bolts (2 pcs.)

Hanger

Tabletop, overhead mounting of display unit

Note: For the overhead mounting, reinforce the mounting location and secure the hanger, with bolts, nuts and washers (local supply).

1-2

Flush mounting

Note: Use supplied six pan head screws when the thickness of the bulkhead is from 11 to 14 mm. For bulkhead which exceeds 14 mm in thickness the length of the pan head screws should be bulkhead thickness (A) plus 7.8±2 mm. Also the length of B should be max. 8 mm.

B A

A: thickness of bulkhead

Fixing screw, side view

1.Prepare a cutout in the mounting location by using the template sheet supplied as the installation material.

2.Fix the display unit by six washer head screws M4x20. Refer to the outline drawing at back of this manual.

6-R2.25

 

342+0.5

217+0.5

140+0.5

4.5

209+1

335+1

Flush mounting of display unit

Note: When installing the display unit in a panel, attach the vinyl tube (Ф6, local supplied) to the drain hole to allow moisture to escape. Then fasten the tube to the drain hole with a cable tie.

1-3

1.2Mounting of Antenna Unit for MODEL1833C

1.2.1Mounting considerations

When selecting a mounting location for the antenna unit keep in mind the following points.

Install the antenna unit on the hardtop, radar arch or on a mast on an appropriate platform. (For sailboats, a mounting bracket is optionally available.) It should be placed where there is a good all-round view with, as far as possible, no part of the ship’s superstructure or rigging intercepting the scanning beam. Any obstruction will cause shadow and blind sectors. A mast, for instance, with a diameter considerably less than the width of the antenna unit, will cause only a small blind sector. However, a horizontal spreader or crosstrees in the same horizontal plane would be a much more serious obstruction; place the antenna unit well above or below it.

Antenna unit

Antenna unit

Antenna unit

Antenna unit

Typical antenna unit placement on sailboat and powerboat

In order to minimize the chance of picking up electrical interference, avoid where possible routing the antenna cable near other electrical equipment onboard. Also avoid running the cable in parallel with power cables.

The compass safe distance of 0.90 meters (standard compass) and 0.70 meters (steering compass) should be observed to prevent deviation of the magnetic compass.

1-4

1.2.2Mounting antenna unit of MODEL 1833C

1.Open the antenna unit packing box carefully.

2.Unbolt the four bolts at the base of the radome to remove the radome cover.

Radome cover

Antenna unit

The mounting surface must be parallel with the waterline and provided with five holes (four fixing holes and one cable entry) whose dimensions are shown in the outline drawing attached at the end of this manual.

The unit is adjusted so a target echo returned from the bow direction will be shown on the zero degree (heading line) position on the screen. When drilling holes, be sure they are parallel with the fore and aft line.

3.Prepare a platform of 5 to 10 millimeters in thickness for the antenna unit.

A mounting bracket for mounting the antenna unit on a sailboat mast is optionally available. (Refer to page 1-9.) Find the cable entry on the radome base. Next, position the radome base so the cable entry faces the stern direction. This alignment must be as accurate as possible.

Cable entry

Flat washer Spring washer M10 x 25 Hex bolt

Ship's bow

4-12 Holes

Platform

Antenna unit, cover removed

1-5

 

Antenna base plate

Effective

Gasket

thread length

Radome

 

25 mm

 

 

5 - 10 mm

Flat

 

washer

 

Spring

Platform

washer

M10 x 25

Apply silicone sealant.

Hex bolt

How to fasten the radome base to the mounting platform

Wiring and final preparation

4.Drill a hole of at least 20 millimeters diameter through the deck or bulkhead to run the signal cable between the antenna unit and the display unit. (To prevent electrical interference avoid running the signal cable near other electrical equipment and in parallel with power cables.) Pass the cable through the hole. Then, seal the hole with sealing compound for waterproofing.

5.Remove two shield covers in the radome.

6.Remove the cable clamping plate by unfastening four screws and removing a gasket.

 

Pan head screws

 

M4x8 4 pcs.

 

Cable clamping plate

Shield cover

Gasket

 

Pan head screws

 

M4x8 7 pcs.

 

Shield cover

Pan head screws

M4x8 7 pcs.

Antenna unit, inside view

7.Pass the cable through the hole at the bottom of the radome base.

8.Secure the cable with the cable clamping plate and gasket. Ground the shield wire by one of the screws of the cable clamping plate.

1-6

9. Attach three connectors of the signal cable to respective ports as shown below.

to one of the screws

of the cable clamping plate

9-pin connector:

to J801 on MD-9208

4-pin connector:

to J802 on MD-9208

13-pin connector: to J611 on IF-9214

Signal cable, antenna unit side

J801

J802

MD-9208

Cable entry

PTU-9335

J611

IF-9214

RF unit

1-7

10.Attach the EMI cores supplied as shown below.

J801

J802

J805

MD-9208

 

J804

J806

J803

Cable entrance

Cable

Motor

clamping plate

 

EMI core E04SS251512 (Above cable

clamping J1 plate)

J613

PTU-9335

J611 IF9214A

How to attach EMI core

11.Fix the shield cover. Do not pinch the cable.

12.Attach the radome cover, aligning triangle mark on radome cover with that on radome base.

Radome cover

Radome base

How to position the radome cover

13.Loosely fasten the radome fixing bolts. You will tighten them after confirming magnetron heater voltage.

1-8

1.2.3Mounting the optional mounting bracket

A mounting bracket for fastening the antenna unit for MODEL1833C to a mast on a sailboat is optionally available.

Mounting bracket 1

 

 

 

 

Type:

OP03-92

 

 

 

 

Code No.:

008-445-070

 

 

 

 

 

Table 1-1 Mounting bracket contents

 

 

 

 

 

 

 

 

 

 

Type

Code No.

Qty

 

 

 

 

 

 

 

Hex. bolt

 

M4X12

000-804-725

4

 

 

 

 

 

 

 

Hex. bolt

 

M8X20

000-805-707

8

 

 

 

 

 

 

 

Mounting plate

 

03-018-9001-0

100-206-740

1

 

 

 

 

 

 

 

Support plate (1)

 

03-018-9005-0

100-206-780

1

 

 

 

 

 

 

 

Support plate (2)

 

03-018-9006-0

100-206-790

1

 

 

 

 

 

 

 

Bracket (1)

 

03-018-9002-1

100-206-751

1

 

 

 

 

 

 

 

Bracket (2)

 

03-018-9003-1

100-206-761

1

 

 

 

 

 

 

 

Fixing plate

 

03-018-9004-1

100-206-771

2

 

 

 

 

 

 

Assemble the mounting bracket and fasten it to a mast. Fasten the antenna unit to the bracket.

1-9

M8 x 20

plate

M8 x 20

(1)

 

plate (2)

Bracket

Support plate (1)

M8 x 20

M4 x 12

(A) Assembling the mounting bracket

M10 x 25 (supplied with antenna unit)

(B)Fastening antenna to mounting bracket

How to assemble and mount the optional mounting bracket

1-10

1.3Mounting of Antenna Unit for MODEL1933C/1943C/1953C

1.3.1Mounting considerations

The antenna unit is generally installed either on top of the wheelhouse or on the radar mast on a suitable platform. Locate the antenna unit where there is a good all-round view. Any obstruction will cause shadow and blind sectors.

A mast for instance, with a diameter considerably less than the width of the radiator, will cause only a small blind sector, but a horizontal spreader or crosstrees in the same horizontal plane as the antenna unit would be a much more serious obstruction; you would need to place the antenna unit well above or below it.

It is rarely possible to place the antenna unit where a completely clear view in all directions is available. Thus, you should determine the angular width and relative bearing of any shadow sectors for their influence on the radar at the first opportunity after fitting.

If you have a radio direction finder on your boat, keep the antenna unit from its antenna more than two meters to prevent the interference to the direction finder.

To lessen the chance of picking up electrical interference, avoid where possible routing the signal cable near other onboard electrical equipment. Also avoid running the cable in parallel with power cables.

A magnetic compass will be affected if the antenna unit is placed too close to the magnet compass. Observe the following compass safe distances to prevent deviation of a magnetic compass: Standard compass, 1.00 m, Steering compass, 0.80 m (1953C: 0.75 m).

Do not paint the radiator aperture, to ensure proper emission of the radar waves.

a)When this radar is to be installed on larger vessels, consider the following points:

The signal cable run between the antenna and the display comes in lengths of 10 m, 15 m, 20 m and 30 m. Whatever length is used it must be unbroken; namely, no splicing allowed.

b)Deposits and fumes from a funnel or other exhaust vent can adversely affect the aerial performance and hot gases may distort the radiator portion. The antenna unit must not be mounted where the temperature is more than 70°C.

As shown in the figure below, the antenna unit may be installed on the bridge, on a common mast or on the radar mast.

(a) On bridge

(b) Common mast

(c) Radar mast

1-11

1.3.2Mounting antenna unit of MODEL 1933C/1943C/1953C

Referring to the outline drawing at the back of this manual, drill five holes in the mounting platform: four holes of 15 mm diameter for fixing the antenna unit and one hole of 25-30 mm diameter for the signal cable.

Fastening the Radiator to the Radiator Bracket

For your reference, antenna installation materials list appears in the packing lists at the back of this manual (see page A-6 to A-11).

1.Remove the radiator cap from the radiator bracket.

2.Coat contacting surface between antenna radiator and radiator bracket with silicone sealant as shown in figure below.

ANTENNA RADIATOR

 

RADIATOR BRACKET

 

(top view)

(bottom view)

 

Groove

 

 

 

 

 

10mm

 

Radiator

 

 

 

Coat hatched area with

Coat hatched area with

anticorrosive sealant.

 

silicone sealant.

 

 

(MODEL 1933C)

 

(MODEL 1943C/1953C)

Coating the antenna with silicone sealant

3.Coat threaded holes on the antenna radiator with silicone sealant.

4.Grease the O-ring and set it to the radiator bracket.

5.Lay the antenna radiator on the radiator bracket.

6.Coat the radiator fixing bolts (4 pcs.) with silicone sealant. Fasten the antenna radiator to the radiator bracket with the radiator fixing bolts, flat washers and spring washers.

Antenna radiator

O-ring Radiator bracket

Flat washer Spring washer Hex head bolt (M8 x 30)

Coat threaded holes with silicone sealant.

Coat bolts with silicone sealant.

Fastening the radiator bracket to the antenna unit chassis

1-12

Mounting of antenna unit

The antenna unit can be mounted using the fixing holes on the outside (200 x 200 mm) or inside (140 x 150 mm) the antenna unit.

Outside fixing holes

Use the hex head bolt (supplied) to mount the antenna unit as below.

1. Lay the corrosion-proof rubber mat (supplied) on the mounting platform.

Ground terminal

Rubber mat

Bow mark

Location of rubber mat

2. Lay the antenna unit on the mounting platform, orienting it as shown in below.

BOW

STERN

Antenna unit

CAUTION

Do not lift the Antenna unit by the radiator; lift it by the housing.

The radiator may be damaged.

3.Insert four hex bolts (M12x60, supplied) and seal washers (Ф30, supplied) from the top of the antenna housing. Insert the seal washers with the larger diameter next to the bolt heads.

1-13

Hex bolt

Seal washer

Flat washer

Spring washer

Nut

Fixing the antenna unit chassis

4.Pass flat washers (M12, supplied), spring washers (M12, supplied) and nuts (M12, supplied) onto hex bolts. Fasten by tightening nuts. Do not fasten by tightening the hex bolts; seal washers may be damaged.

Seal washer

 

 

Antenna

Rubber mat

unit

Mounting

 

 

platform

Flat washer

Silicone

 

sealant

How to fasten antenna unit to mounting platform

5.Coat flat washers, spring washers, nuts and exposed parts of bolts with anticorrosive sealant.

6.Prepare ground point in mounting platform (within 300 mm of ground terminal on antenna unit) using M6 x 25 bolt, nut and flat washer (supplied).

7.Run the ground wire (RW-4747, 340 mm, supplied) between the ground terminal and ground point.

8.Coat ground terminal and ground point with silicone sealant as shown on the next page.

1-14

 

 

Hex bolt

 

 

Flat washer

Ground

 

Flat washer

wire

 

 

Spring washer

 

 

Silicone

 

Hex nut

OR

 

 

sealant

 

GROUND

 

 

 

 

 

POINT

Ground

 

Hex nut

 

Spring washer

wire

 

 

Flat washer

 

 

 

 

Hex nut

Weld here.

GROUND

TERMINAL

Silicone sealant

Ground wire

antenna unit

How to coat ground point and ground terminal with silicone sealant

1-15

Fixing holes inside antenna unit

This method requires removal of the RF unit in the antenna unit to access inside fixing holes. Use hex head bolts, flat washers, spring washers and nuts (local supply) to mount the antenna unit, confirming length of bolts.

1.Loose four scanner bolts to open the antenna unit.

Refer to figure in below for locations.

Antenna unit chassis, upper chassis separated

2.Unplug connector connected between upper and lower chassis.

3.Separate upper chassis from lower chassis by removing two hex head bolts (M8x25).

4.Remove the board cover by unfastening four pan head screws.

5.Remove connector from RF unit.

6.Remove RF unit by unfastening four hex head bolts.

7.Lay the corrosion-proof rubber mat (supplied) on the mounting platform.

8.Fasten the lower chassis to the mounting platform with hex head bolts, spring washers, flat washers and nuts (local supply), and then coat flat washers, nuts and exposed parts of bolts with silicone sealant. Cut a slit in rubber bushing and insert bolt into bushing. Do not use seal washers.

9.Reassemble RF unit, cover and chassis.

10.Set four knob caps (supplied) into outside fixing holes.

11.Do steps 6-8 in “Outside fixing holes”.

1-16

Connecting the Signal Cable

Only the signal cable runs from the display unit (1953C: power supply unit) to the antenna unit. In order to minimize the chance of picking up electrical interference, avoid where possible routing the signal cable near other onboard electrical equipment. Also, avoid running the cable in parallel with power cables. Pass the cable through the hole and apply sealing compound around the hole for waterproofing.

1. Open the antenna cover by loosening four scanner bolts, and then fix the stay.

Antenna unit chassis, cover opened

2.Unfasten the cable gland assembly (plate, gasket, flat washer).

3.Pass the signal cable w/connector through the bottom of the scanner unit chassis. Pass the cable through the gland assembly as shown below.

Bolt

4-M4X16

Plate

Gasket

Flat washer

Passing the signal cable through the cable gland assembly

4.Fasten the crimp-on lug on the shield to one of the fixing bolts of the cable gland assembly.

5.Position the signal cable so that no more than 4 cm of the sheath is exposed as shown in the figure below. Tighten fixing bolts.

1-17

 

Tubing

 

Shield

 

Sheath

Within 4 cm

Bolt

 

Plate

Gasket

Flat

washer

CABLE GLAND

How to fix signal cable in cable gland

6. Unfasten four screws shown in the figure below.

Antenna unit chassis, cover opened

7. Pass the signal cable through the cable protector.

Antenna unit chassis, cover opened

8.Connect the signal cable to the RTB Board (03P9249), referring to the interconnection diagram and the figure below.

9.Attach three EMI cores to the signal cable as shown below.

1-18

Antenna unit chassis, cover opened

10.Fix the signal cable with the cable clamp.

11.Release the stay and close the cover. Loosely fasten the cover fixing screws; you will have to make some adjustments inside after completion of wiring.

Note: When closing the cover, set the gaskets to grooves in the bottom chassis, then tighten bolts.

BOTTOM

CHASSIS

GROOVE

GASKET

SCANNER BOLT

Torque : 9.8 ±0.1 N .m

1-19

1.4Mounting of Power Supply Unit for MODEL 1953C

MODEL 1953C has its own power supply because of high power consumption.

The power supply unit can be installed almost anywhere provided the location is dry, well-ventilated, sufficient maintenance space is provided (within 5 m from the display unit).

Note: Do not install the power supply unit on the overhead.

Service space: 150

Service

Service

space: 100

space: 100

Power supply unit

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